Does this require a manual reset

Always perform adjustments while gas is flowing through the unit for an accurate reading

Verify your specific Series (1

Engineered for high-performance environments

and Payne gas furnaces and boilers

Lochinvar & A.O. Smith 100208100 Gasket 321142-301 Does this require a manualThe Lochinvar & A. O. Smith 100208100 2" Flange Gasket is a high performance OEM replacement part engineered for demanding boiler and water heater applications. This 2 inch thick flange gasket is specifically designed to create a reliable, leak proof seal within the ASME rated heat exchanger assemblies and pool heater manifold systems. Built to withstand the thermal cycling typical of EnergyRite series heaters, this industrial grade HVAC gasket